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Okay so it's finally my turn to suffer glitch issues. After diagnosing the potting problem for Zero, I learned to keep my 2012 S out of situations that create the problem, namely by not allowing the bike to sit outdoors in conditions where the bike and its parts are cooler than the surrounding warmer, damp air. Whenever I did water condensed in the wrong places and inevitably the bike glitched when I tried to ride it -- growling, cut-outs, dead on throttle from a stop, etc. Solution was to park it in the sun for a few hours to dry out. Problem solved and no glitches until the next time I made the same mistake.

Until I went for a ride with a buddy a few weeks ago. As we sat inside eating an early dinner a thunderstorm blew over that drenched our bikes and I mean buried them in a wall of water. The widows of the restaurant looked like a hose was turned on them. Riding home, the bike worked fine and had no issues although the motor sounded like a blender does when you're making a margarita. The bike has never been the same since. Turn it on and it goes backwards. Waddle it forward and I can get it a few miles before it starts making ugly noises or simply dies. Bake it in the sun on warm dry days for days on and and same deal. No improvement. So off to the dealer it goes for a new BMS board on the theory that it got blown out.

Word to the wise: don't leave your 2012 out in a drenching rain.

Called the dealer for a status update. They said they did remote diagnostics with Zero and that Zero determined a new motor is needed. So the dealer is now waiting on the new motor from Zero. They (the dealer) had no ETA on when they'd receive it.

Same thing happened to me. After the firmware upgrade they ended up replacing the motor. It was in the shop from about Nov 2013 to April 2014. Most of the time was waiting for a motor from I think Germany. I was a little frustrated having to wait once the weather got nice. I wasn't pushy in the colder months because I had assumed they would take care of it. I had to be proactive about it to get anything done.

Runs fine now.

I have my 2012 S updated motor ( ME0913) from Zero. It is tested and worked perfect!

It has been updated by Zero this yearafter I also got that ?$*&?%!!   glitch   and they replaced the motor encoder. I tested it for few hundreds km and it work just perfect now.

But I updated  that motor by the 2013 new motor on my 2012 Zero with few dozen of hours of DIY and I no more need my 2012 motor.

Maybe contact Zero and suggest them that I sell you this motor and thay they refund you the cost? that would be faster solution as well !

Doc

check out my post under is it junk. They should have plenty of spare parts for 2012's seeing as how they recently cut up a bunch of them. The explanation i got from john logan about why they can't fix my bike in a timely fashion is that their engineers are working on the 2015 models. I still owe 5g on mine, and I can't ride it!!! The nearset dealer is a day's drive away. I've had more problems with this bike than any other that i have owned, even my russian made ural!

Ridden over 200 miles since the new motor was installed last weekend. No glitch yet. Seems to be fixed.

Hello edwin, sorry to hear about your experience. Sounds very frustrating.

I think contacting Zero would be a good idea. I think it helped in my case. The day I emailed Zero for an update on my new motor was the day they shipped it out (after receiving my email).

I went for a 93 mile ride yesterday, still glitch free.

Good luck.